.mainMenu{
  padding-top: 20px;background-color: #fff;
  .menu-list{justify-content:center;flex-wrap:wrap;}
  .list-item{margin-bottom: 20px;}
  // .img{box-shadow:2px 2px 8px rgba(0,0,0,.2);}
}
.mainMenu51{
  .list-item{width: 48%;}
  .img{width: 90%;height: 180px;}
}
.mainMenu52{
  .list-item{width: 32%;}
  .img{width: 90%;height: 120px;border-radius: 10px;}
}
.mainMenu53{
  .list-left,.list-right{width: 50%;text-align: center;}
  .list-left{
    .item-img:not(:first-child){margin-top: 20px;}
    .img{width: 90%;height: 290px;}
  }
  .list-right{
    .item-img:not(:first-child){margin-top: 20px;}
    .img{width: 90%;height: 186px;}
  }
}
.mainMenu54{
  .list-top,.list-bottom{text-align: center;}
  .list-top{
    .img{width: 700px;height: 700px;}
  }
  .list-bottom{
    justify-content:center;flex-wrap:wrap;
    .item-img{margin-top: 20px;margin-left: 3.5%;width: 31%}
    .item-img:first-child{margin-left: 0;}
    .img{width: 100%;height: 186px;}
  }
}
.mainMenu55{
  .list-item{width: 25%;}
  .img{margin-bottom: 10px;width: 120px;height: 120px;border-radius: 100%;}
}